作者:Zhi-Gang Tai、Le Cai、Ya-Bin Yang、Chuan-Shui Liu、Jian-Jun Xia、Zhong-Tao Ding
DOI:10.5012/bkcs.2010.31.10.2786
日期:2010.10.20
Three new oleanane-type triterpene saponins (1, 2 and 3) were isolated from aerial parts of Gladiolus gandavensis, along with two known compounds (4 and 5). Their structures were elucidated as 29-O-(β-D-glucopyranosyl)-2β,3β-dihydroxyolean-12-en-28-oicacid(1), 3-O-(β-D-xylopyranosyl)-29-O-(β-D-glucopyranosyl)-12-en-28-oic acid (2), and 2β,3β,29-trihydroxyolean-12-en-28-oic acid 28-O-[β-D-glucopyra
从唐菖蒲地上部分分离出三种新的齐墩果烷型三萜皂苷(1、2 和 3)以及两种已知化合物(4 和 5)。它们的结构被阐明为 29-O-(β-D-吡喃葡萄糖基)-2β,3β-dihydroxyolean-12-en-28-oicacid(1), 3-O-(β-D-xylopyranosyl)-29-O- (β-D-吡喃葡萄糖基)-12-en-28-oic acid (2) 和 2β,3β,29-trihydroxyolean-12-en-28-oic acid 28-O-[β-D-glucopyranosyl(1→ 2)-(α-L-吡喃鼠李糖基(1→6))-β-D-吡喃葡萄糖基]酯(3),通过光谱法,并通过与已知类似物的比较。这些在C-29糖苷化的齐墩果烷型三萜皂甙并不经常获得。